This office chair provides a savvy appearance with attractive upholstery gathering on the seat and back cushions. High back office chairs have backs extending to the upper back for greater support. The high back design relieves tension in the lower back, preventing long term strain. Chair easily swivels 360 degrees to get the maximum use of your workspace without strain. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired height.Contemporary Office Chair High Back Design with Headrest Tilt Lock Mechanism Tilt Tension Adjustment Knob Swivel Seat Pneumatic Seat Height Adjustment Padded Arms Heavy Duty Nylon Base Dual Wheel Casters Black LeatherSoft Upholstery LeatherSoft is leather and polyurethane for added Softness and Durability CA117 Fire Retardant FoamWeight Capacity: 250 LbsSeat-Size: 19.50"W x 18.25"DBack Size: 20"W x 27"HArm-Height From Floor: 26" - 30"HSeat Height: 17.5 - 21.5''''HWarranty: 2 yr Parts Only